ASHBURN, Va. (WUSA) -- Bethany Anne Decker of Ashburn, Va. has been missing since January 2011 and her case was recently featured on the Investigation Discovery series "Disappeared," say sheriff's office authorities. The episode will air again on Dec. 2 at 7 p.m.

Decker, who was pregnant, was reported missing on Feb. 19, 2011. Her car was left behind in the parking lot of her apartment. Authorities say there was no activity on her bank accounts, cell phones or email and she did not attend any classes after that date at George Mason University, where she was registered as a student. They believe she did not leave the country.